#pragma once
#include <iostream>
#include <string>
#include <set>
#include <tuple>
class test28_StlConTuple
{
public:
	void classMain();
	void testPair();
	void testTuple();

	template <typename T>
	auto tuple_len(T& tpl) {
		return std::tuple_size<T>::value;
	}
};

